drivers/gpu/drm/gma500/mdfld_tpo_vid.c

   1 /*
   2  * Copyright © 2010 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  * jim liu <jim.liu@intel.com>
  25  * Jackie Li<yaodong.li@intel.com>
  26  */
  27
  28 #include "mdfld_dsi_dpi.h"
  29
  30 static struct drm_display_mode *tpo_vid_get_config_mode(struct drm_device *dev)
  31 {
  32         struct drm_display_mode *mode;
  33
  34         mode = kzalloc(sizeof(*mode), GFP_KERNEL);
  35         if (!mode)
  36                 return NULL;
  37
  38         mode->hdisplay = 864;
  39         mode->vdisplay = 480;
  40         mode->hsync_start = 873;
  41         mode->hsync_end = 876;
  42         mode->htotal = 887;
  43         mode->vsync_start = 487;
  44         mode->vsync_end = 490;
  45         mode->vtotal = 499;
  46         mode->clock = 33264;
  47
  48         drm_mode_set_name(mode);
  49         drm_mode_set_crtcinfo(mode, 0);
  50
  51         mode->type |= DRM_MODE_TYPE_PREFERRED;
  52
  53         return mode;
  54 }
  55
  56 static int tpo_vid_get_panel_info(struct drm_device *dev,
  57                                 int pipe,
  58                                 struct panel_info *pi)
  59 {
  60         if (!dev || !pi)
  61                 return -EINVAL;
  62
  63         pi->width_mm = TPO_PANEL_WIDTH;
  64         pi->height_mm = TPO_PANEL_HEIGHT;
  65
  66         return 0;
  67 }
  68
  69 /*TPO DPI encoder helper funcs*/
  70 static const struct drm_encoder_helper_funcs
  71                                 mdfld_tpo_dpi_encoder_helper_funcs = {
  72         .dpms = mdfld_dsi_dpi_dpms,
  73         .mode_fixup = mdfld_dsi_dpi_mode_fixup,
  74         .prepare = mdfld_dsi_dpi_prepare,
  75         .mode_set = mdfld_dsi_dpi_mode_set,
  76         .commit = mdfld_dsi_dpi_commit,
  77 };
  78
  79 const struct panel_funcs mdfld_tpo_vid_funcs = {
  80         .encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs,
  81         .get_config_mode = &tpo_vid_get_config_mode,
  82         .get_panel_info = tpo_vid_get_panel_info,
  83 };